The storm threat Tuesday afternoon resides in Iowa and up through Minnesota, along an incoming cold front; while the low pressure system moves into southern Canada the cold front will pass through the Stateline late tonight into Wednesday morning. Storms will develop this afternoon in Iowa and will head east tonight, the line will be weakening but we can still expect scattered showers and a rumble of thunder this evening and early Wednesday.
The front will sag south and stall in central Illinois, bringing rain south through the rest of Wednesday afternoon. The front will turn stationary as upper level steering winds flatten and turn parallel to the front. But, we aren't done with the rain just yet, another low pressure system will develop to the west at the base of an upper level trough. As it strengthens and moves north, the front will lift north as a front Thursday to Friday.
While there are multiple chances for rain in the forecast, it won't rain all day everyday. Best chance for rain will be tonight into early Wednesday with the passage of the cold front. Then again late Thursday into Thursday evening with a few small energy waves moving through the area. Rain threat is low Friday, before ramping up again Friday afternoon into Friday evening with the incoming warm front. Though, forecast details with the rain will still be refined through the end of the week, so make sure to check back for more updates!
The front will sag south and stall in central Illinois, bringing rain south through the rest of Wednesday afternoon. The front will turn stationary as upper level steering winds flatten and turn parallel to the front. But, we aren't done with the rain just yet, another low pressure system will develop to the west at the base of an upper level trough. As it strengthens and moves north, the front will lift north as a front Thursday to Friday.
While there are multiple chances for rain in the forecast, it won't rain all day everyday. Best chance for rain will be tonight into early Wednesday with the passage of the cold front. Then again late Thursday into Thursday evening with a few small energy waves moving through the area. Rain threat is low Friday, before ramping up again Friday afternoon into Friday evening with the incoming warm front. Though, forecast details with the rain will still be refined through the end of the week, so make sure to check back for more updates!
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